Inventor
Wolfgang A. Westdorp
Inventor
Hopewell Junction, NY, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests40%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
4,659,423'Semiconductor crystal growth via variable melt rotation'19874,511,428'Method of controlling oxygen content and distribution in grown silicon crystals'19854,040,895'Control of oxygen in silicon crystals'19774,010,064'Controlling the oxygen content of Czochralski process of silicon crystals by sandblasting silica vessel'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1987Patents assigned to IBM (4)· patent assignee history
1977–1987Based in Hopewell Junction, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 4 | 1977–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hopewell Junction, New York, US | 4 | 1977–1987 |